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defon
3 years ago
15

Please help! This stuff confuses me! Will BA

Mathematics
2 answers:
Scorpion4ik [409]3 years ago
6 0
So, this is kinda similar to the other I helped you with:

<span>So r is the radius of the disk. The area is known and equal to 100Pi; so 

100Pi = Pi r2

Now for r: r = 10 

Circumference = 2 PI r = 20 Pi

I hope this helped!</span>
Brrunno [24]3 years ago
6 0
100Pi = Pi r2
 r = 10 
Circumference = 2 PI r = 20 Pi
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